Miller TIG Machine

Maxstar 400

Heavy industrial DC TIG/stick power source with pulsed TIG and integrated cooler power supply.

TIG (GTAW)Stick (SMAW)Pulsed TIGHeavy industrial
Maxstar 400

Quick Fit Context

Process support

  • TIG (GTAW)
  • Stick (SMAW)
  • Pulsed TIG
  • Air carbon arc

Machine range

  • Amperage range: 3-400 A
  • Input power: 208-575 V
  • Class: Heavy industrial

Catalog Packages

Stock numberCatalog package
907873 Maxstar 400 power source only
907873001 Maxstar 400 TIGRunner
951000098 Maxstar 400 complete package

Comes With

  • 8 ft. power cord with no plug
  • Two 50 mm Dinse-style connectors
  • TIGRunner adds Runner cart and Coolmate 3.5
  • Complete package adds coolant, wireless foot control, and Weldcraft W-375 water-cooled torch kit

Torch and Accessory Paths

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Source: Miller Electric 2026 Full-line Catalog, catalog page 64, literature DC/24.5. Buy links are added only after product, manufacturer, package quantity, and fitment checks are confirmed.

Related Part Types

Commonly Replaced Together